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From: "Theodore Tso" <tytso@mit.edu>
To: "Darrick J. Wong" <djwong@kernel.org>
Cc: Ojaswin Mujoo <ojaswin@linux.ibm.com>,
	Zorro Lang <zlang@redhat.com>,
	fstests@vger.kernel.org, fdmanana@suse.com,
	ritesh.list@gmail.com, naohiro.aota@wdc.com, wqu@suse.com,
	Disha Goel <disgoel@linux.ibm.com>,
	linux-ext4 <linux-ext4@vger.kernel.org>
Subject: Re: [PATCH 4/6] generic/765: Ignore mkfs warning
Date: Mon, 13 Apr 2026 16:42:15 -0400	[thread overview]
Message-ID: <20260413204215.GA5461@macsyma-wired.lan> (raw)
In-Reply-To: <20260413162120.GV6212@frogsfrogsfrogs>

> > > > > The output can get corrupted with warnings like below because clustersize
> > > > > more than 16xbs is experimental:
> > > > > 
> > > > > + 16 times the block size is considered experimental
> > > > > 
> > > > > Hence pipe these to seqres.full to avoid false negatives.

You could also suppress the warnings using the -q option, for example:

mke2fs -Fq -t ext4 -O bigalloc,quota -b 4096 -C 131072 /tmp/foo.img 4G

> > Futher, mke2fs has multiple instances where we print warnings to stderr,
> > should we go and fix all of them as well?
> 
> "stderr" meaning "standard error", I'd say that errors are anything that
> prohibits the format from completing, and only errors should go there.

Sure, I'll accept those changes.  But adding -q will allow the test to
pass using older versions of e2fsprogs, while still allowing stderr to
go out the expected output.

					- Ted

  reply	other threads:[~2026-04-13 20:43 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <cover.1775802601.git.ojaswin@linux.ibm.com>
     [not found] ` <afee4fedcc9b3685df0e05800d82b88d27f977f8.1775802601.git.ojaswin@linux.ibm.com>
     [not found]   ` <20260410165435.GU6212@frogsfrogsfrogs>
     [not found]     ` <advRgjl1tG4PMc6V@li-dc0c254c-257c-11b2-a85c-98b6c1322444.ibm.com>
     [not found]       ` <adyxi7156VAbL-G1@li-dc0c254c-257c-11b2-a85c-98b6c1322444.ibm.com>
2026-04-13 16:21         ` [PATCH 4/6] generic/765: Ignore mkfs warning Darrick J. Wong
2026-04-13 20:42           ` Theodore Tso [this message]
2026-04-13 23:28             ` Darrick J. Wong
2026-04-15 18:52             ` Ojaswin Mujoo
2026-04-16 15:55             ` Zorro Lang

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